[Bldg-sim] ASHRAE 90.1 fan power limitation calculation question

Jones, Christopher Christopher.r.Jones at wspgroup.com
Wed Jul 29 15:06:04 PDT 2015


For the baseline fan power limitation, the pressure drop allowances are defined.  I am a bit fuzzy on the definition of "Return/Exhaust Control Devices".  A system with a return fan and OA economizer typically has dampers to control the flow of the OA, return/exhaust air streams.  Would these dampers qualify as a Return/Exhaust Control Device?


[cid:image003.png at 01D09C46.E75BA0D0]
Christopher Jones, P.Eng.
Senior Engineer

WSP Canada Inc.
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Toronto, ON M4P 1E4
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